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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

71°F

22°C

Humidity 81%
Wind Speed W 7 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 5:54 am CDT
Extended Forecast for

Clinton IL

  • Today

    Today: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 74. North northeast wind 5 to 10 mph.  Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 58. East northeast wind 10 to 14 mph, with gusts as high as 17 mph.  Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 73. East wind around 10 mph becoming south southwest in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then showers between 7pm and 1am.  Low around 47. Breezy, with a west southwest wind 13 to 22 mph becoming northwest after midnight. Winds could gust as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy, with a northwest wind 24 to 26 mph, with gusts as high as 34 mph.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Areas of frost after 5am.  Otherwise, mostly clear, with a low around 36. Breezy, with a north wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 23 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. Light and variable wind becoming southwest around 5 mph in the afternoon.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Tonight
A slight chance of showers before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 58. East northeast wind 10 to 14 mph, with gusts as high as 17 mph. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. High near 73. East wind around 10 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then showers between 7pm and 1am. Low around 47. Breezy, with a west southwest wind 13 to 22 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 56. Breezy, with a northwest wind 24 to 26 mph, with gusts as high as 34 mph.
Friday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Breezy, with a north wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 23 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. Light and variable wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Clinton IL
 40.15°N 88.95°W (Elev. 715 ft)
5:46 am CDT Oct 14, 2026
6am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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